Watertown Weather in 2021

Historical record of Watertown, South Dakota weather for the year 2021 based on NOAA data.
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2021 Watertown Weather Extremes
Highest temperature 99 °F June 5
Lowest temperature -27 °F February 14
Highest daily low 71 °F July 28
Lowest daily high -13 °F February 14
Most daily precipitation 2.2 inches October 9
Most daily snow 6.4 inches March 10
Total annual precipitation 26.8 inches -
Total annual snow 30.7 inches -
Highest Temperatures in Watertown in 2021
Rank Temperature Date
1 99 °F Jun 5
2 98 °F Jul 28
3 96 °F Jun 10
4 95 °F Jul 4
4 95 °F Jun 7
4 95 °F Jun 4
7 94 °F Jul 5
7 94 °F Jun 23
7 94 °F Jun 6
10 93 °F Jun 16
10 93 °F Jun 8
Lowest Temperatures in Watertown in 2021
Rank Temperature Date
1 -27 °F February 14
2 -25 °F February 15
3 -23 °F February 13
3 -23 °F February 12
5 -21 °F February 8
6 -19 °F February 16
7 -17 °F February 7
8 -14 °F December 31
8 -14 °F February 11
8 -14 °F February 6
January 2021 Watertown Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
January 1
26 5 0.00 0.0
January 2
30 8 0.00 0.0
January 3
29 6 0.00 0.0
January 4
35 14 0.00 0.0
January 5
39 12 0.00 0.0
January 6
37 31 0.07 0.1
January 7
34 19 0.00 0.0
January 8
30 28 0.00 0.0
January 9
29 24 0.00 0.0
January 10
33 26 0.00 0.0
January 11
34 18 0.00 0.0
January 12
40 17 0.00 0.0
January 13
44 29 0.12 0.0
January 14
40 27 0.12 1.3
January 15
27 21 0.10 1.5
January 16
27 19 0.00 0.0
January 17
31 20 0.00 0.0
January 18
29 17 0.04 0.2
January 19
30 2 0.00 0.0
January 20
42 11 0.00 0.0
January 21
30 7 0.00 0.0
January 22
21 1 0.00 0.0
January 23
24 13 0.09 1.8
January 24
23 2 0.00 0.0
January 25
14 8 0.00 0.0
January 26
15 7 0.00 0.0
January 27
17 8 0.00 0.0
January 28
21 10 0.00 0.0
January 29
25 19 0.00 0.0
January 30
25 23 0.00 0.0
January 31
24 21 0.00 0.0
February 2021 Watertown Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
February 1
24 18 0.00 0.0
February 2
27 13 0.00 0.0
February 3
31 21 0.00 0.0
February 4
22 3 0.00 0.0
February 5
13 -2 0.00 0.0
February 6
-2 -14 0.00 0.0
February 7
-5 -17 0.01 0.4
February 8
0 -21 0.00 0.0
February 9
2 -6 0.00 0.0
February 10
3 -12 0.00 0.0
February 11
-5 -14 0.01 0.0
February 12
-7 -23 0.00 0.0
February 13
-6 -23 0.00 0.0
February 14
-13 -27 0.00 0.0
February 15
-5 -25 0.00 0.0
February 16
-1 -19 0.00 0.0
February 17
7 -2 0.00 0.6
February 18
15 -10 0.00 0.0
February 19
20 -3 0.00 0.0
February 20
26 0 0.00 0.0
February 21
33 16 0.06 0.4
February 22
47 13 0.00 0.0
February 23
45 24 0.00 0.0
February 24
35 24 0.01 0.1
February 25
39 16 0.00 0.0
February 26
45 31 0.00 0.0
February 27
44 19 0.02 0.3
February 28
29 12 0.13 1.0
March 2021 Watertown Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
March 1
21 6 0.00 0.0
March 2
55 21 0.00 0.0
March 3
53 23 0.00 0.0
March 4
55 29 0.00 0.0
March 5
53 26 0.00 0.0
March 6
51 27 0.00 0.0
March 7
63 32 0.00 0.0
March 8
60 25 0.00 0.0
March 9
67 39 0.00 0.0
March 10
39 27 0.80 6.4
March 11
37 21 0.00 0.0
March 12
41 13 0.00 0.0
March 13
53 24 0.00 0.0
March 14
41 34 0.00 0.0
March 15
35 27 0.32 4.2
March 16
33 27 0.06 0.2
March 17
36 25 0.01 0.0
March 18
45 21 0.00 0.0
March 19
44 21 0.00 0.0
March 20
57 37 0.00 0.0
March 21
53 30 0.00 0.0
March 22
53 25 0.00 0.0
March 23
42 35 0.08 0.0
March 24
49 25 0.00 0.0
March 25
52 24 0.00 0.0
March 26
55 30 0.00 0.0
March 27
47 26 0.12 0.0
March 28
50 20 0.00 0.0
March 29
79 29 0.00 0.0
March 30
35 22 0.00 0.0
March 31
33 17 0.00 0.0
April 2021 Watertown Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
April 1
53 15 0.00 0.0
April 2
71 35 0.00 0.0
April 3
72 28 0.00 0.0
April 4
79 33 0.00 0.0
April 5
82 49 0.00 0.0
April 6
51 41 0.57 0.0
April 7
45 40 1.01 0.0
April 8
43 41 0.60 0.0
April 9
53 36 0.06 0.0
April 10
57 29 0.00 0.0
April 11
60 28 0.00 0.0
April 12
42 32 0.03 0.0
April 13
33 24 0.01 0.3
April 14
44 26 0.00 0.0
April 15
42 28 0.00 0.0
April 16
51 35 0.00 0.0
April 17
54 33 0.00 0.0
April 18
64 27 0.00 0.0
April 19
40 24 0.00 0.0
April 20
42 19 0.06 0.6
April 21
49 16 0.00 0.0
April 22
60 28 0.02 0.0
April 23
52 33 0.01 0.0
April 24
46 23 0.00 0.0
April 25
42 31 0.05 0.0
April 26
58 38 0.01 0.0
April 27
56 40 0.00 0.0
April 28
66 32 0.00 0.0
April 29
67 38 0.01 0.0
April 30
70 35 0.00 0.0
May 2021 Watertown Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
May 1
86 43 0.00 0.0
May 2
72 51 0.00 0.0
May 3
59 32 0.00 0.0
May 4
55 27 0.00 0.0
May 5
46 35 0.06 0.0
May 6
64 31 0.00 0.0
May 7
57 27 0.00 0.0
May 8
49 38 0.10 0.0
May 9
61 37 0.00 0.0
May 10
55 30 0.00 0.0
May 11
61 27 0.00 0.0
May 12
66 35 0.00 0.0
May 13
66 44 0.23 0.0
May 14
71 48 0.09 0.0
May 15
75 48 0.00 0.0
May 16
75 50 0.00 0.0
May 17
75 41 0.00 0.0
May 18
71 56 0.00 0.0
May 19
75 59 0.01 0.0
May 20
75 62 0.21 0.0
May 21
82 61 0.00 0.0
May 22
81 53 0.00 0.0
May 23
82 52 0.07 0.0
May 24
83 60 0.03 0.0
May 25
78 58 0.00 0.0
May 26
59 46 0.02 0.0
May 27
47 40 0.78 0.0
May 28
58 35 0.00 0.0
May 29
57 40 0.10 0.0
May 30
71 50 0.14 0.0
May 31
71 45 0.00 0.0
June 2021 Watertown Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
June 1
81 44 0.01 0.0
June 2
84 60 0.00 0.0
June 3
89 59 0.00 0.0
June 4
95 60 0.00 0.0
June 5
99 67 0.00 0.0
June 6
94 65 0.00 0.0
June 7
95 59 0.00 0.0
June 8
93 69 0.00 0.0
June 9
92 68 0.00 0.0
June 10
96 69 0.00 0.0
June 11
82 60 0.46 0.0
June 12
83 52 0.00 0.0
June 13
89 62 0.00 0.0
June 14
87 58 0.00 0.0
June 15
85 54 0.00 0.0
June 16
93 66 0.00 0.0
June 17
85 62 0.00 0.0
June 18
88 53 0.00 0.0
June 19
79 49 0.00 0.0
June 20
70 52 0.02 0.0
June 21
68 43 0.00 0.0
June 22
80 47 0.00 0.0
June 23
94 57 0.00 0.0
June 24
85 64 0.00 0.0
June 25
84 56 0.00 0.0
June 26
75 62 0.16 0.0
June 27
81 57 0.00 0.0
June 28
82 58 0.00 0.0
June 29
84 54 0.00 0.0
June 30
86 56 0.00 0.0
July 2021 Watertown Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
July 1
89 55 0.00 0.0
July 2
90 62 0.00 0.0
July 3
91 63 0.00 0.0
July 4
95 68 0.00 0.0
July 5
94 59 0.00 0.0
July 6
76 61 1.54 0.0
July 7
73 55 0.00 0.0
July 8
72 57 0.08 0.0
July 9
76 62 0.09 0.0
July 10
76 61 0.31 0.0
July 11
82 54 0.00 0.0
July 12
82 58 0.00 0.0
July 13
85 61 0.00 0.0
July 14
78 58 0.08 0.0
July 15
81 53 0.00 0.0
July 16
80 59 0.00 0.0
July 17
83 62 0.00 0.0
July 18
83 63 0.00 0.0
July 19
86 61 0.00 0.0
July 20
85 61 0.00 0.0
July 21
85 64 0.00 0.0
July 22
89 69 0.00 0.0
July 23
90 70 0.00 0.0
July 24
89 63 0.16 0.0
July 25
89 57 0.01 0.0
July 26
88 67 0.15 0.0
July 27
92 70 0.00 0.0
July 28
98 71 0.00 0.0
July 29
79 60 0.00 0.0
July 30
71 61 0.26 0.0
July 31
84 55 0.00 0.0
August 2021 Watertown Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
August 1
80 49 0.00 0.0
August 2
81 54 0.00 0.0
August 3
83 56 0.00 0.0
August 4
80 59 0.03 0.0
August 5
88 62 0.00 0.0
August 6
84 56 0.00 0.0
August 7
85 66 1.14 0.0
August 8
81 65 0.88 0.0
August 9
87 61 0.00 0.0
August 10
84 62 0.00 0.0
August 11
80 65 0.00 0.0
August 12
76 56 0.00 0.0
August 13
77 50 0.00 0.0
August 14
87 52 0.00 0.0
August 15
87 59 0.00 0.0
August 16
87 63 0.00 0.0
August 17
90 67 0.00 0.0
August 18
89 69 0.00 0.0
August 19
89 67 0.00 0.0
August 20
83 62 0.09 0.0
August 21
73 55 0.00 0.0
August 22
76 54 0.11 0.0
August 23
88 53 0.00 0.0
August 24
87 63 0.55 0.0
August 25
73 56 0.00 0.0
August 26
73 56 1.33 0.0
August 27
84 62 0.12 0.0
August 28
76 63 0.52 0.0
August 29
76 54 0.00 0.0
August 30
82 55 0.00 0.0
August 31
79 62 0.00 0.0
September 2021 Watertown Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
September 1
77 59 0.00 0.0
September 2
67 61 1.57 0.0
September 3
69 55 0.05 0.0
September 4
74 53 0.00 0.0
September 5
77 54 0.00 0.0
September 6
85 52 0.00 0.0
September 7
75 53 0.00 0.0
September 8
73 49 0.00 0.0
September 9
76 46 0.00 0.0
September 10
82 54 0.00 0.0
September 11
73 55 0.00 0.0
September 12
71 48 0.00 0.0
September 13
65 51 0.69 0.0
September 14
72 48 0.00 0.0
September 15
76 46 0.00 0.0
September 16
87 55 0.21 0.0
September 17
68 49 0.10 0.0
September 18
81 47 0.00 0.0
September 19
85 70 0.00 0.0
September 20
74 48 0.26 0.0
September 21
64 44 0.00 0.0
September 22
71 39 0.00 0.0
September 23
75 46 0.00 0.0
September 24
64 42 0.01 0.0
September 25
73 35 0.00 0.0
September 26
89 49 0.00 0.0
September 27
81 50 0.00 0.0
September 28
87 56 0.00 0.0
September 29
79 62 0.12 0.0
September 30
73 58 0.00 0.0
October 2021 Watertown Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
October 1
69 59 1.35 0.0
October 2
67 44 0.08 0.0
October 3
73 40 0.00 0.0
October 4
81 44 0.00 0.0
October 5
78 50 0.00 0.0
October 6
74 52 0.00 0.0
October 7
73 54 0.00 0.0
October 8
81 55 0.00 0.0
October 9
70 51 2.23 0.0
October 10
57 44 0.04 0.0
October 11
69 38 0.00 0.0
October 12
62 36 0.00 0.0
October 13
63 42 0.78 0.0
October 14
52 39 0.00 0.0
October 15
53 33 0.00 0.0
October 16
62 28 0.00 0.0
October 17
71 33 0.00 0.0
October 18
75 45 0.00 0.0
October 19
63 45 0.00 0.0
October 20
46 37 1.66 0.0
October 21
47 30 0.00 0.0
October 22
49 32 0.00 0.0
October 23
48 29 0.00 0.0
October 24
44 38 0.08 0.0
October 25
50 34 0.00 0.0
October 26
55 41 0.00 0.0
October 27
50 45 1.41 0.0
October 28
54 35 0.00 0.0
October 29
58 31 0.00 0.0
October 30
53 35 0.00 0.0
October 31
43 28 0.00 0.0
November 2021 Watertown Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
November 1
41 24 0.00 0.0
November 2
39 21 0.00 0.0
November 3
47 24 0.00 0.0
November 4
49 23 0.00 0.0
November 5
60 37 0.00 0.0
November 6
68 32 0.00 0.0
November 7
64 37 0.00 0.0
November 8
47 28 0.00 0.0
November 9
52 26 0.00 0.0
November 10
46 39 0.28 0.0
November 11
39 30 0.02 0.1
November 12
30 25 0.10 1.3
November 13
37 21 0.04 0.0
November 14
32 24 0.00 0.0
November 15
41 30 0.00 0.0
November 16
52 33 0.00 0.0
November 17
40 24 0.00 0.0
November 18
31 19 0.00 0.0
November 19
45 24 0.00 0.0
November 20
40 26 0.00 0.0
November 21
35 16 0.00 0.0
November 22
41 19 0.00 0.0
November 23
57 26 0.00 0.0
November 24
35 14 0.00 0.0
November 25
24 3 0.00 0.0
November 26
46 21 0.00 0.0
November 27
45 25 0.00 0.0
November 28
42 18 0.00 0.0
November 29
55 27 0.00 0.0
November 30
46 23 0.10 0.0
December 2021 Watertown Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
December 1
54 30 0.01 0.0
December 2
46 32 0.02 0.0
December 3
39 25 0.00 0.0
December 4
31 26 0.03 0.4
December 5
36 20 0.00 0.0
December 6
21 2 0.01 0.1
December 7
13 2 0.14 3.6
December 8
28 2 0.00 0.0
December 9
36 19 0.00 0.0
December 10
33 21 0.03 0.2
December 11
32 17 0.00 0.0
December 12
38 17 0.00 0.0
December 13
46 18 0.00 0.0
December 14
41 31 0.00 0.0
December 15
48 19 0.26 0.2
December 16
21 7 0.23 0.8
December 17
17 9 0.10 1.4
December 18
14 -1 0.01 0.2
December 19
29 4 0.00 0.0
December 20
23 8 0.00 0.0
December 21
24 3 0.04 0.5
December 22
32 11 0.00 0.0
December 23
38 20 0.00 0.0
December 24
42 11 0.00 0.0
December 25
18 9 0.01 0.1
December 26
26 8 0.11 1.6
December 27
30 -3 0.01 0.1
December 28
15 -12 0.02 0.3
December 29
11 -12 0.00 0.0
December 30
20 -1 0.00 0.0
December 31
8 -14 0.03 0.4
Weather Station Details
Years Station Coordinates
1893–2024 Watertown Regional Airport location